It happens for me too...
$ sudo software-properties-gtk
** (software-properties-gtk:4042): WARNING **: Couldn't connect to accessibility bus: Failed to connect to socket /tmp/dbus-vPGeJICKjG: Connection refused
(software-properties-gtk:4042): IBUS-WARNING **: The owner of /home/paully/.config/ibus/bus is not root!
Ubuntu 14.04.1 LTS 3.13.0-36-generic #63-Ubuntu SMP Wed Sep 3 21:30:07 UTC 2014 x86_64
It happens for me too...
$ sudo software- properties- gtk
** (software- properties- gtk:4042) : WARNING **: Couldn't connect to accessibility bus: Failed to connect to socket /tmp/dbus- vPGeJICKjG: Connection refused
(software- properties- gtk:4042) : IBUS-WARNING **: The owner of /home/paully/ .config/ ibus/bus is not root!
Ubuntu 14.04.1 LTS
3.13.0-36-generic #63-Ubuntu SMP Wed Sep 3 21:30:07 UTC 2014 x86_64